OL12 0TH - Flood, Heat, Air & Subsidence Risk - Whitworth (OL12)

Rossendale, Whitworth (OL12)

Climate risk summary for OL12 0TH

OL12 0TH in Whitworth (OL12) has a Low flood risk - EA NaFRA2 data records 1 property in a flood risk zone. Heat risk is Lower, with a median (50th percentile) of 9 days above 25°C per year, averaged over the 2021-2040 period under the RCP8.5 high emissions scenario (Met Office UKCP18). Air quality is Medium at PM2.5 6.2 μg/m³, above the WHO annual guideline of 5 μg/m³ (Defra UK-AIR). Ground conditions are Low risk, with Glacial Till geology; shrink-swell risk is classed as improbable (BGS GeoClimate).

• Flood: EA NaFRA2: 1 low flood risk properties in this postcode.
• Heat: Projected 9 days above 25°C per year, 2021-2040 average (Met Office UKCP18, 50th percentile under RCP8.5, 12 km grid - postcodes within the same grid cell share this value).
• Air quality: PM2.5 6.2 µg/m³ - above the WHO annual guideline of 5 µg/m³ (Defra UK-AIR PCM model, council-level average - every postcode in this council shows this value).
• Ground: BGS data: Glacial Till geology. Shrink-swell risk classed as improbable (British Geological Survey).
• Green space: 100% of households here have accessible green space within a 15-minute walk (the government's Environmental Improvement Plan standard), and 64% have a park or green space within a 200m walk of their door - above the England median (Defra, 2025).

What is the flood risk in OL12 0TH?

Flood risk at OL12 0TH is rated Low, based on Environment Agency NaFRA2 modelling.

Environment Agency flood zone data shows low flood risk for OL12 0TH in Whitworth (OL12). EA NaFRA2 data shows 1 at low risk in this postcode. The band reflects the highest flood risk within the postcode; some properties within this postcode may face little or no direct flood risk. For a specific property, a conveyancing search will confirm the exact flood zone position.

How is the air quality in OL12 0TH?

Air quality at OL12 0TH is rated Medium, based on Defra UK-AIR annual mean PM2.5 data. Fine particulate matter (PM2.5) comes primarily from road traffic, industry, and domestic burning. Long-term exposure above the WHO guideline of 5 µg/m³ is linked to respiratory and cardiovascular health risks. Buyers and renters in higher air quality risk areas may wish to consider whether the property is near busy roads or industrial sources.

Is subsidence a risk at OL12 0TH?

British Geological Survey data classes the underlying soil at OL12 0TH as Glacial Till, with shrink-swell hazard rated improbable (subsidence risk band: Low). A structural survey is the reliable way to assess ground conditions for a specific property.

Where does this data come from?

This LocalRisk report for OL12 0TH draws on four official UK open data sources: Environment Agency NaFRA2 flood modelling, Met Office UKCP18 climate projections, Defra UK-AIR PM2.5 monitoring, and British Geological Survey GeoClimate subsidence mapping. Risk ratings are a screening tool, complementing - not replacing - the searches and surveys ordered as part of a property transaction. Data covers Rossendale and is updated as new official datasets are published.

About the Rossendale area

Rossendale has an upland valley setting with steep slopes, former mill towns and surrounding moorland and experiences cool, wet winters and mild summers, shaped by Pennine elevation and exposed terrain.

What should buyers and renters check in OL12 0TH?

Practical check: EA flags just 1 property at flood risk here - check whether this one is among them via a formal flood search. These are postcode-level indicators - conditions vary between individual properties.

Climate risk can change street by street, so it is worth checking neighbouring postcodes too. The full risk report for OL12 0AA is at localrisk.co.uk/postcode/OL120AA, and you can compare OL12 0TH side by side with any UK postcode at localrisk.co.uk/compare.